Amend make dense_array.set(..) more generic.

ValeevGroup · May 21, 2024 · 4855438 · 4855438
1 parent f00c2dc
commit 4855438
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/TiledArray/conversions/sparse_to_dense.h b/src/TiledArray/conversions/sparse_to_dense.h
@@ -52,8 +52,13 @@ to_dense(DistArray<Tile, ArgPolicy> const& sparse_array) {
       Tile tile(sparse_array.find(ord).get().clone());
       dense_array.set(ord, tile);
     } else {
-      // see DistArray::set(ordinal, element_type)
-      dense_array.set(ord, typename ArrayType::value_type{});
+      if constexpr (detail::is_tensor_of_tensor_v<Tile>) {
+        // `zero' tiles that satisfy detail::is_tensor_of_tensor_v<Tile>
+        //  will be left uninitialized
+      } else {
+        // see DistArray::set(ordinal, element_type)
+        dense_array.set(ord, 0);
+      }
     }
   }